OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB

For Masonry and

Factory-built

Metal Fireplace

If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposition the thermostat sensing bulb.

The thermostat sensing bulb is located near the gas valve assembly on the mounting bracket. This location allows the thermostat to keep the room temperature at an ideal comfort level for most fireplace applications. For positioning the thermostat sensing bulb elsewhere, an adhesive-backed mounting clip has been provided.

Tools needed: 1/4" hex driver or socket

1. Remove logs. Locate the gas valve assembly and thermostat sensing blub (see Figure 27).

Gas Valve

Assembly

Mounting

Thermostat

Bracket

Sensing Bulb

 

Figure 27 - Location of Gas Valve Assembly and Thermostat Sensing Bulb

2.The adhesive-backed mounting clip (see Figure 28) is attached to the thermostat sensing bulb. Remove the adhesive-backed mounting clip.

Figure 28 - Adhesive-backed Mounting Clip

3.With 1/4" hex driver or socket, loosen the thermostat screw. Carefully slide the thermo- stat sensing bulb out of the retaining clamp (see Figure 29).

Note: Do not remove the screw. Make sure you tighten the screw after removing the thermostat sensing bulb.

IMPORTANT: Do not force or bend the thermostat sensing bulb or capillary.

Capillary

Thermostat Screw

 

Retaining Clamp

Thermostat

 

 

Sensing Bulb

Figure 29 - Removing Thermostat Sensing Bulb

4.The thermostat sensing bulb may be located to the lower right front side of fireplace. Determine location of sensing bulb, but do not mount sensing bulb until step 5. If you

have a masonry fireplace, see Figure 30 on page 30 for location.

Continued 29

 

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Desa Tech CGD3930P, CGD3018P, CGD3924P installation manual Optional Positioning of Thermostat Sensing Bulb
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CGD3924P, CGD3018P, CGD3930P specifications

The Desa Tech CGD3924P, CGD3930P, and CGD3018P represent a trio of high-performance gas fireplaces designed for modern home heating. These models are engineered to prioritize efficiency, style, and user comfort, making them an attractive addition to any living space.

The CGD3924P is a versatile fireplace primarily known for its contemporary front design and compact size, suitable for smaller rooms. It features a dual burner system, which enhances the flame presence and warmth distribution. The unit operates on natural gas and includes a built-in blower, facilitating effective heat circulation throughout the area. Its adjustable flame height allows users to customize the ambiance, while the realistic log set contributes to the fireplace's authentic aesthetic.

Moving on to the CGD3930P, this model boasts a larger viewing area, offering an impressive flame display that becomes the focal point of any room. Its innovative technology features an advanced electronic ignition system for easy lighting and operation. This unit is designed with energy efficiency in mind, achieving high AFUE ratings that help reduce heating costs. The CGD3930P also includes a thermostatic remote control, providing convenience for users to adjust settings from across the room.

Lastly, the CGD3018P is a traditional-style fireplace that caters to homeowners seeking a classic charm. With detailed craftsmanship and an antique finish, it provides an inviting atmosphere. This unit features a single burner system, ideal for smaller spaces, delivering modest yet reliable heat output. The CGD3018P’s user-friendly design emphasizes ease of maintenance, highlighting its accessibility for routine care.

All three models utilize high-quality materials that enhance durability and safety, ensuring long-lasting performance. The fireplaces are equipped with safety features such as auto shut-off systems and venting options that comply with national safety standards.

In terms of installation, each unit provides flexible venting options, including direct vent capabilities, allowing for various setups to meet specific home requirements.

Ultimately, the Desa Tech CGD3924P, CGD3930P, and CGD3018P stand out in the market for their combination of cutting-edge technologies, aesthetic appeal, and user-friendly features, making them ideal choices for modern heating solutions in homes today.
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